FRISK Software International

How do you recommend that I set the security settings?

We recommend that administrators configure the engine setting to Medium in general. However, there are situations when another setting would be required.

When should administrators use the High setting?

Administrators should use the High setting when there is an outbreak of a particular virus. Although FRISK Software is quick to act when such an outbreak occurs, a single infected e-mail is all it takes to infect. In such cases the Neural Network Heuristics can be invaluable to prevent new viruses from entering your system.

When should administrators use the Low setting?

Unfortunately there is always a chance that a false-positive detection is issued with the virus signature files. These false-positives are almost always very obvious as such and then it can be very useful to be able to configure the setting to low until new virus signature files have been issued to fix the false-positive.

Advantages and disadvantages of using the heuristics:

The major advantage of heuristic analysis is the ability of catching new viruses that anti-virus vendors have not managed to issue virus signature files for. Another method for catching new viruses is integrity checking. Integrity checking is based on observing changes in protected system resources. This method, however, detects the virus only after it has installed itself onto the computer. Only heuristic analysis can find new viruses before they can do any harm.

The main disadvantage is false alarms. For example, heuristic analysis may report a clean program as infected. Although this is somewhat rare, it is possible.




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